Significant
Significant adjective - Having great power or influence.
Usage example: a producer who is playing a significant role in the creation of the new film
Vigorous and significant are semantically related. In some cases you can use "Vigorous" instead an adjective "Significant".
Vigorous
Vigorous adjective - Having active strength of body or mind.
Significant and vigorous are semantically related. Sometimes you can use "Significant" instead an adjective "Vigorous".
Cite this Source
Vigorous and Significant. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/significant/vigorous
Significant & Vigorous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/significant/vigorous>.
Vigorous or Significant. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/significant/vigorous.
Google Ngram Viewer shows how "significant" and "vigorous" have occurred on timeline